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Gansu Yonghong dyeing and Chemical Co., Ltd
Gansu Yonghong dyeing and Chemical Co., Ltd
8 YRS
Gansu, China
Main Products:
J Acid / Naphthalene-1,5-Disulfonic Acid / 2-Aminonaphthalene-1-Sulfonic Acid / Phenmedipham
Gansu, China
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J Acid / CAS 87-02-5
OVERVIEW
Uses
Packaging
25 KG/Fibre Drum
Lead Time
14-30 days
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DESCRIPTION
J Acid
CAS:87-02-5
Molecular formula：C10H9NO4S
Molecular weight：239.24800
Appearance:Grey to brown powder
Synopsis: As an important dye intermediate, this product is used to produce azo dyes, such as direct green lotus R, direct light fast grey 2BL, direct acid purple, direct pink, direct copper dye Navy, light fast blue B2R, reactive red, brilliant orange, grass green and red brown. It can also be used to produce scarlet acid and phenyl J acid.
Structural formula:
Typical Properties
Summary
This product is an important dye intermediate, which is used to manufacture azo dyes, such as direct green lotus R, direct sun resistant grey 2BL, direct acid resistant violet, direct peach red, direct copper dyed navy blue, sun resistant blue B2R, reactive scarlet, brilliant orange, grass green and red brown, and can be used to manufacture scarlet acid and phenylj acid.
CAS No.
87-02-5
Formula
C10H9NO4S
Molecular Mass
239.24800
Exact Mass
239.02500
PSA
109.00000
Logp
3.03630
IUPAC
7-amino-4-hydroxynaphthalene-2-sulfonic acid
SMILES
C1=CC2=C(C=C(C=C2C=C1N)S(=O)(=O)O)O
Attribute classification
Matter Classification
organic
Category
Dyestuffs and Pigments > Intermediates
Chemical and Physical Properties
Density
1.627 g/cm3
Appearance
Grey to brown powder
Export information
HS Code
29222100
Export Rebate
13%
Risk Code
R34
Safety Label
C
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